Couple therapy, so they will learn how to be a support. Early therapy, before even the first hospital trip is best. Then they will know if they will have it in them to self-sacrifice for you and to give you grace.
The best part of a person is not the part that can be reconstructed. Or as I said to my wife before we were married, "will you still be here if I'm in a car crash? I'm not concerned if the answer is 'no', I just need to know."